Apparatus for the manufacture of glassware



(No Model.)

H. SGHULZE-BERGB.

APPARATUS FOR THE MANUFAQIURE O FHGLASSWARE. v No. 439,19 Patented Oct.28,1890.

WITNESSES: [HI/EH70 ww-w UNITED STATES.

PATENT OFFICE.

HERMANN SCHULZE-BERGE, OF ROCHESTER, PENNSYLVANIA.

APPARATUS FOR THE MANUFACTURE OF GLASSWARE.

SPECIFICATION formingpart of Letters Patent No. 439,196, dated October28, 1890.

Application filed October 9, 1889.

To all whom it may concern.-

Be it known that I, HERMANN SCHULZE- BERGE, of Rochester, in the countyof Beaver and State of Pennsylvania,'have invented a new and usefulImprovement in Apparatus for the Manufacture of Glassware, of which thefollowing is a full, clear, and exact description.

The present specification describes certain improvements in thefire-melting and finishin g of glassware; and it consists in apparatuscomprising a glory-hole furnace with means for manipulating the glassobject therein.

The special feature of the present invention is a finishing-tool adaptedto be applied to the reheated glass while the latter is as yet in thefire-chamber or flue of the glory-hole, and other requirements necessaryfor such operation, as hereinafter described.

My improved apparatus is represented in the accompanying drawings, inwhich- Figure 1 represents a vertical longitudinal section of theapparatus. Fig. 2 is an enlarged sectional view. Fig. 3 is a verticallongitudinal section of a modified form. Fig. 4 is an enlargedlongitudinal section of part thereof.

Like symbols of reference indicate like parts in each.

As shown in Fig. 1, the glory-hole furnace comprises a fire-chamber 2, aburner 3 or suitable combustion-chamber, and a flue at for carrying offthe products of combustion. I have shown the furnace resting upon ironstandards, which, if desired, may be provided with wheels, so as torender the apparatus easily portable. The fire-chamber 2 is providedwith two glory-hole openings 5 and 6, located on opposite sides of thewalls and in line with each other, so as to allow a support ing-rodinserted into the furnace through one opening to be pushed through thefire-chamber and to protrude with its head through the second oropposite glory-hole. This arrangement affords several advantages overthe form of furnace in use at present. It allows the glass object to beplaced on and removed from or manipulated on the supporting-rod, whilethe latter protrudes through the second gloryhole opening, therebygiving an easy access to the glory-hole not obstructed by machinerySerial No. 326,489. (No model.)

or bearings, &c., and it allows also a finishing tool to be insertedthrough'such second opening into the fire-chamber in line with therevoluble supporting-rod. This is represented in Fig. 1, which shows aglass lamp-chimney placed upon a revoluble supporting-rod and situate inthe glory-hole 5. The chimney is placed on this rod while it is projectingthrough the fire-chamber out of the glory-hole 6, and it is thendrawn back into the position shown in the drawings. The supporting-rod 7is supported in bearings 8 and 9. and passes through a driving-wheelwhich is journaled in fixed bearings 12. The bearing 9 is fix orstationary; but the bearing 8 is suppor ed in such manner as to bemovable to and from the furnace, so as to carry the rod with it in suchmovement. The rod is thus moved by a lever 13, which is connected withthe bearings S by a rod 14.

In order to afiord means for keeping the rod cool,I make it hollow, andmake its head 15, which receives and supports the glass article, alsohollow, (see Fig. 2,) and a water-inlet pipe 16 extends to or nearly tothe head, while a Water-discharge pipe 17 leads from the rear end of therod. A continuous circulation of water (or other cooling medium, such asair) may thus be maintained through the rod and head, thereby preventingthe sides of the glass article from becoming unduly hot and sticking toits support.

In front of the glory-hole 6 is a tool 18, adapted to be used in flaringthe end of the glass article after the latter has been softened by theheat of the furnace. For this purpose the supporting'rod 7 may be pushedthrough the furnace, so as to protrude through the gloryhole 6 and toengage the flaring-tool, or (what is more desirable) the latter may bepushed through the glory-hole 6 to engage the glass article while thelatter is still in the furnace; The advantage of thelatter-named modearises from the fact that when the glass article is in the furnace andengaged by the shaping-tool it need not be heated to such hightemperature as when the shaping is done outside the furnace, and thereis therefore less liability to loss by misshaping of the overheatedglass.

The shaping-tool 18 is carried at the end of a shaft or rod 19, which issupported in bearings 2O 21, and is driven by a crank-shaft 22 andpulley-wheels 23 and 24. The rod is adapted to slide longitudinallythrough the pulley-wheel 24c and is connected therewith by afeatlter-and-spline connection.

25 is a ratchet-wheel fixed to the shaft- 22 and provided with asuitable pawl or lock, (not shown,) by which the crank-shaft and the rodand shaping-tool may be held stationary when necessary. Thedriving-wheel 10 of the rod 7 is driven by a belt 26, and its face isformed as or provided with a clutch-disk which engages the face of aclutch-disk 27, situate on the rod and connected therewith by afeather-and-spline connection 11, the

clutch-disks being maintained in contact by means of a spring 28,interposed between the bearings 9 and the clutch-disk 27, so thatnormally the supporting-rod is rotated continuously on its longitudinalaxis. The length of the feather 11 is so proportioned that when thesupporting-rod 7 is pushed through the furnace far enough to bring theglass article into contact with the shaping-tool 18 on the other sidethereof the feather shall pass the keyway in the clutch-disk, and nomotion shall therefore be transmitted to the rod by the rotation o t;the driving-wheel.

Insteafiof the driving-wheel 10 as a means for transmitting rotarymotion to the supporting-rod, stepped cones or similar driving-gear ofthe usual sort may be substituted, so that the motion of the rod may bevariable to a greater or less speed, as may be desired.

In using the apparatus in the manner first above described the glassarticle, after it has been heated to a proper degree while in theposition shown in Fig. 1, is advanced through the furnace by propermovement of the lever 13 until its end extends through the gloryhole 6and engages the shaping-tool 18, which may then be rotated by drivingthe crankshaft 22. When the end of the article has been flared orshaped, the glass article is removed, another article is placed in thehead of the supporting-rod 7, and the latter is drawn back, so as toplace the glass article in the furnace and to subject it to the heat.

In Figs. 1 and 2 I show the apparatus as used in the manufacture oflamp-chimneys. The apparatus shown in Fig. 3 shows similar apparatusapplied to fire-melting and finishing of glass tumblers. In this casethe two supporting-rods arranged in line with each other are adapted tohold the tumbler between them in the furnace, the end of one rod hearingagainst the outside of the bottom of the tumbler and the other bearingagainst the inner side of the bottom. Such arrangement is very desirablein holding the tumbler while its sides are subjected to the directaction of the heat. The first supporting-rod 7 is arranged similarly tothe correspondingly-numbered rod described with reference to Fig. 1. Thesecond supporting-rod 19 is provided with a swiveled head 28, as shownin Fig. 4. This rod is not necessarily revoluble; but it may be so. Itis hollow and water-cooled, and is arranged to slide lengthwise inbearings which are connected with and are operated simultaneously withthe frame supporting the bearings of the other supporting-rod 7. It maybe separately moved in its bearings by the knee-lever 29, pivotallyconnected at 30 with the frame of the bearings, and it is normallypressed toward the glory-hole of the furnace by a spring31. By turningthis kneelever on its pivot its supporting-rod 19 may be moved away fromits companion rod 7, so

as to permit an interposed tumbler to be removed or replaced.

The former or shaping-tool 32, which is mounted on the rod 19 back ofthe swiveled head 28, is adapted to be moved on the rod independntly ofthe other mechanism by means of knee-levers 33, pivotally connected at34 to the frame of the bearings. This tool is a thinwalled conical plugcorresponding in size and shape to the inside of the finished tumbler.Any other suitable tool may, however, be substituted for it.

In order to place the tumbler between the ends of the supportingrods, asshown in Fig. 4, and especially to remove it therefrom, I employaspoon-shaped instrument, in which the tumbler is laid on its side, sothat it shall not be liable to be injured or deformed while in a 4 hotstate.

The operation of the apparatus of Fig. 3 will be readily understood. Theframe which supports the bearings of the rods is moved longitudinally,so as to introduce the glass article into the furnace or to withdraw ittherefrom, by means of the hand-lever 13, which simultaneously movesboth supporting-rods longitudinally. \Vhen thus removed from thefurnace, the glass article can be placed between or removed from therods by moving the levers 29 and 33.

The advantages of my invention will be appreciated by these skilled inthe art.

By use of my improvement the glass articles can be fire-finished andshaped more rapidly and with less labor than has hitherto been possible.

My invention may be modified in divers ways without departing from theprinciples thereof. Without therefore limiting myself precisely to themechanical details shown and described-- I claim 1. In apparatus forfinishing glassware, a glory-hole furnace or flue provided withgloryhole openings, and a supporting-rod revoluble and sliding inbearings in line with the gloryhole opening, in combination with aformer or shaping-tool mounted on a rod and guided in bearings andadapted to be inserted into the fire-chamber or flue of the glory-holefurnace through separate openings into the path of the glass article.

2. A furnace for reheating or finishing glassware, havingoppositely-situate lateral glory-hole openings, in combination with aIIO supporting-rod situate in front of one of said openings and adaptedto be moved through both said glory-hole openings, substantially as andfor the purposes described.

3. A furnace for reheating or finishing glassware, havingoppositely-situate lateral glory-hole openings, in combination with asupporting-rod situate in frontof one of said openings in bearings inwhich it is revoluble and adapted to be moved through both saidglory-hole openings, substantially as and for the purposes described.

at. Afurnace for reheatingorfinishingglassware, havingoppositely-situate glory-hole openings, in combination with asupportingrod situate in front of one of said openings and adapted to bemoved through both said glory-hole openings, and a former or shapingtooladapted to be inserted through the opposite glory-hole to meet thesupporting-rod in the fire-chamber of the furnace, substantially as andfor the purposes described.

5. Afurnace for reheating or finishing glassware, havingoppositelysituate glory-hole openings, in combination with asupportingrod situate in front of one of said openings and adapted to bemoved through both said glory-hole openings, and a second supportingrodadapted to be inserted through the opposite glory-hole to meet thefirst-named supporting-rod in the fire-chamber of the furnace,substantially as and for the purposes de scribed.

6. Afurnace for reheating or finishing glassware, havingoppositely-situate glory-hole openings, in combination with asupportingrod situate in front of one of said openings and adapted to bemoved through both said glory-hole openings, a second supporting-rodadapted to be inserted through the opposite glory-hole to meet thefirst-named supportingrod in the fire-chamber of the furnace, and ashaping-tool adapted to engage and shape the glass article when held bysaid supportingrods, substantially as and for the purposes described. I

7. In apparatus for reheating or finishing glassware, a supporting-rodhaving a head provided with hollow side walls for the circulation of acooling medium, substantially as and for the purposes described.

8. In apparatus for reheating or finishing glassware, the combination ofthe supportingrod, with a former'or shaping-tool movable longitudinallythereon, substantially as and for the purposes described.

9. The combination of two supporting-rods journaled in the same axialline and movable toward or away from one another, adapted to receive andrevolve a hollow glass object, with a former or shaping-tool adapted toslide longitudinally on one of the supporting-rods.

10. The combination of a longitudinallymovable supporting-rod andmechanism for revolving it, with a former or shaping-tool in the sameaxial line, and adapted to be moved longitudinally, substantially as andfor the purpose described.

11. The combination of the supporting-rods 7 and 19, one at least ofwhich is longitudinally movable in its bearings, and a movable frameconnecting their bearings, so that both rods may be simultaneously movedlengthwise in the same direction, substantially as and for the purposesdescribed.

In testimony whereof I have hereunto set my. hand this 23d day ofSeptember, A D. 1889.

. HERMANN SOHULZE-BERGE.

Witnesses:

W. P. POTTER, THOMAS W. BAKEWELL.

